https://github.com/fphilipe/premailer-rails
CSS styled emails without the hassle.
css email gem inline-css rails ruby
Last synced: 15 Aug 2026 - Ranking: 32.4
https://github.com/ruby/timeout
Timeout provides a way to auto-terminate a potentially long-running operation if it hasn't finished in a fixed amount of time.
Last synced: 15 Aug 2026 - Ranking: 31.5
https://github.com/httprb/http
HTTP (The Gem! a.k.a. http.rb) - a fast Ruby HTTP client with a chainable API, streaming support, and timeouts
Last synced: 15 Aug 2026 - Ranking: 35.0
https://github.com/ruby/net-smtp
This library provides functionality to send internet mail via SMTP, the Simple Mail Transfer Protocol.
Last synced: 15 Aug 2026 - Ranking: 31.0
https://github.com/rgrove/crass
A Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification.
Last synced: 15 Aug 2026 - Ranking: 29.1
https://github.com/ruby/io-console
add console capabilities to IO instance
Last synced: 15 Aug 2026 - Ranking: 31.0
https://github.com/mongodb/bson-ruby
Ruby Implementation of the BSON Specification (2.0.0+)
Last synced: 15 Aug 2026 - Ranking: 28.7
https://github.com/dry-rb/dry-logic
Predicate logic with rule composition
dry-rb gem library predicate-logic predicates ruby rubygem rule-engine
Last synced: 15 Aug 2026 - Ranking: 30.4
https://github.com/ruby/strscan
Provides lexical scanning operations on a String.
Last synced: 15 Aug 2026 - Ranking: 31.4
https://github.com/heartcombo/responders
A set of Rails responders to dry up your application
controllers flash-messages rails ruby
Last synced: 15 Aug 2026 - Ranking: 33.2
https://github.com/rails/bootsnap
Boot large Ruby/Rails apps faster
computers gem performance ruby
Last synced: 15 Aug 2026 - Ranking: 34.1
https://github.com/ruby/date
A subclass of Object includes Comparable module for handling dates.
Last synced: 15 Aug 2026 - Ranking: 31.9
https://github.com/prawnpdf/prawn
Fast, Nimble PDF Writer for Ruby
Last synced: 15 Aug 2026 - Ranking: 33.4
https://github.com/ice-cube-ruby/ice_cube
Ruby Date Recurrence Library - Allows easy creation of recurrence rules and fast querying
Last synced: 15 Aug 2026 - Ranking: 33.2
https://github.com/mbj/unparser
Turn Ruby AST into semantically equivalent Ruby source
parser ruby ruby-syntax unparser
Last synced: 15 Aug 2026 - Ranking: 30.0
https://github.com/ruby/bigdecimal
Arbitrary-precision decimal floating-point number library for Ruby
Last synced: 15 Aug 2026 - Ranking: 32.6
https://github.com/ruby/ruby2_keywords
Shim library for Module#ruby2_keywords
Last synced: 15 Aug 2026 - Ranking: 29.5
https://github.com/dmendel/bindata
BinData - Reading and Writing Binary Data in Ruby
binary-analysis declarative-language file-format reverse-engineering ruby
Last synced: 15 Aug 2026 - Ranking: 30.5
https://github.com/leejarvis/slop
Simple Lightweight Option Parsing - ✨ new contributors welcome ✨
beginner-friendly command-line easy-to-use option-parser ruby simple
Last synced: 15 Aug 2026 - Ranking: 32.4
https://github.com/mime-types/mime-types-data
MIME Type registry data
Last synced: 15 Aug 2026 - Ranking: 29.4
https://github.com/deivid-rodriguez/pry-byebug
Step-by-step debugging and stack navigation in Pry
debugger pry pry-byebug repl ruby
Last synced: 15 Aug 2026 - Ranking: 32.8
https://github.com/state-machines/state_machines
Adds support for creating state machines for attributes on any Ruby class
Last synced: 15 Aug 2026 - Ranking: 31.3
https://github.com/KnapsackPro/knapsack
Knapsack splits tests evenly across parallel CI nodes to run fast CI build and save you time.
auto-balancing buildkite ci-server circle-ci cucumber minitest parallelism rspec ruby semaphore-ci snap-ci spinach testing-tools travis-ci turnip
Last synced: 15 Aug 2026 - Ranking: 31.2
https://github.com/state-machines/state_machines-activerecord
StateMachines Active Record Integration
activerecord ruby state-machine
Last synced: 15 Aug 2026 - Ranking: 30.1
https://github.com/ruby/optparse
OptionParser is a class for command-line option analysis.
Last synced: 15 Aug 2026 - Ranking: 30.7
https://github.com/redis-store/redis-rails
Redis stores for Ruby on Rails
Last synced: 15 Aug 2026 - Ranking: 29.2
https://github.com/slack-notifier/slack-notifier
A simple wrapper for posting to slack channels
Last synced: 15 Aug 2026 - Ranking: -Infinity
https://github.com/dry-rb/dry-container
A simple, configurable object container implemented in Ruby
Last synced: 15 Aug 2026 - Ranking: 30.5
https://github.com/piotrmurach/pastel
Terminal output styling with intuitive and clean API.
colors escape-sequences ruby ruby-gem string-styling style terminal-emulators terminal-themes
Last synced: 15 Aug 2026 - Ranking: 29.9
https://github.com/ku1ik/rainbow
Ruby gem for colorizing printed text on ANSI terminals
Last synced: 15 Aug 2026 - Ranking: -Infinity
https://github.com/mdub/clamp
a Ruby command-line application framework
command-line command-line-parser ruby
Last synced: 15 Aug 2026 - Ranking: 29.5
https://github.com/floraison/et-orbi
Time zones for fugit and rufus-scheduler. Urbi et Orbi.
Last synced: 15 Aug 2026 - Ranking: 27.4
https://github.com/state-machines/state_machines-activemodel
StateMachines ActiveModel Integration
activemodel ruby state-machine
Last synced: 15 Aug 2026 - Ranking: 27.2
https://github.com/tenderlove/hana
An implementation of JSON Patch and JSON Pointer for Ruby
json json-patch json-pointer ruby
Last synced: 15 Aug 2026 - Ranking: 28.5
https://github.com/piotrmurach/tty-reader
A set of methods for processing keyboard input in character, line and multiline modes.
cli console line-editing ruby ruby-gem terminal tty word-completion
Last synced: 15 Aug 2026 - Ranking: 27.5
https://github.com/SeleniumHQ/selenium
A browser automation framework and ecosystem.
dotnet java javascript python ruby rust selenium webdriver
Last synced: 15 Aug 2026 - Ranking: 39.3
https://github.com/sorbet/sorbet
A fast, powerful type checker designed for Ruby
Last synced: 15 Aug 2026 - Ranking: 35.8
https://github.com/fastlane/fastlane
🚀 The easiest way to automate building and releasing your iOS and Android apps
android apps automation deployment fastlane hacktoberfest ios mobile ruby screenshots
Last synced: 15 Aug 2026 - Ranking: 38.1
https://github.com/pry/pry
A runtime developer console and IRB alternative with powerful introspection capabilities.
console debugger introspection irb pry reflection ruby runtime
Last synced: 15 Aug 2026 - Ranking: 36.3
https://github.com/rubyzip/rubyzip
Official Rubyzip repository
aes-encryption encryption ruby rubyzip zip zip-archive zip-file
Last synced: 15 Aug 2026 - Ranking: 34.4
https://github.com/newrelic/newrelic-ruby-agent
New Relic RPM Ruby Agent
agent apm-agent hacktoberfest ruby
Last synced: 15 Aug 2026 - Ranking: 32.7
https://github.com/ruby/rubygems
Library packaging and distribution for Ruby.
Last synced: 15 Aug 2026 - Ranking: 39.2
https://github.com/puma/puma
A Ruby/Rack web server built for parallelism
multithreading rack ruby server
Last synced: 15 Aug 2026 - Ranking: 37.2
https://github.com/sidekiq/sidekiq
Simple, efficient background processing for Ruby
background-jobs jobs ruby sidekiq
Last synced: 15 Aug 2026 - Ranking: 37.3
https://github.com/heartcombo/devise
Flexible authentication solution for Rails with Warden.
authentication devise rails ruby
Last synced: 15 Aug 2026 - Ranking: 37.9
https://github.com/ruby-grape/grape
An opinionated framework for creating REST-like APIs in Ruby.
Last synced: 15 Aug 2026 - Ranking: 36.2
https://github.com/mongodb/mongoid
The Official Ruby Object Mapper for MongoDB
mongodb mongodb-driver orm orm-framework ruby ruby-on-rails
Last synced: 15 Aug 2026 - Ranking: 33.7
https://github.com/ruby/rdoc
RDoc produces HTML and online documentation for Ruby projects.
documentation-tool hacktoberfest ruby
Last synced: 15 Aug 2026 - Ranking: 35.0
https://github.com/rubocop/rubocop-rails
A RuboCop extension focused on enforcing Rails best practices and coding conventions.
code-formatter hacktoberfest linter rails rubocop ruby static-code-analysis
Last synced: 15 Aug 2026 - Ranking: 34.0
https://github.com/rouge-ruby/rouge
A pure Ruby code highlighter that is compatible with Pygments
minitest rubocop ruby syntax-highlighting
Last synced: 15 Aug 2026 - Ranking: 35.9
https://github.com/licensee/licensee
A Ruby Gem to detect under what license a project is distributed.
law legal licensing open-source open-source-licensing ruby ruby-gem
Last synced: 15 Aug 2026 - Ranking: 31.7
https://github.com/aasm/aasm
AASM - State machines for Ruby classes (plain Ruby, ActiveRecord, Mongoid, NoBrainer, Dynamoid)
aasm activerecord hacktoberfest mongoid rails ruby state-machine transition
Last synced: 15 Aug 2026 - Ranking: 33.9
https://github.com/ctran/annotate_models
Annotate Rails classes with schema and routes info
Last synced: 15 Aug 2026 - Ranking: 33.5
https://github.com/ruby/rake
A make-like build utility for Ruby.
hacktoberfest rake rakefile ruby
Last synced: 15 Aug 2026 - Ranking: 36.5
https://github.com/rspec/rspec-core
RSpec runner and formatters
Last synced: 15 Aug 2026 - Ranking: -Infinity
https://github.com/chef/ohai
Ohai profiles your system and emits JSON
chef configuration configuration-management discovery hacktoberfest ohai ruby
Last synced: 15 Aug 2026 - Ranking: 33.3
https://github.com/heartcombo/simple_form
Forms made easy for Rails! It's tied to a simple DSL, with no opinion on markup.
dsl form-builder rails rails-helper ruby
Last synced: 15 Aug 2026 - Ranking: 34.2
https://github.com/omniauth/omniauth
OmniAuth is a flexible authentication system utilizing Rack middleware.
authentication hacktoberfest omniauth ruby
Last synced: 15 Aug 2026 - Ranking: 35.7
https://github.com/resque/resque
Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.
asynchronous-tasks asynctask background-jobs background-service background-worker job-management job-queue job-scheduler queue ruby
Last synced: 15 Aug 2026 - Ranking: 33.4
https://github.com/varvet/pundit
Minimal authorization through OO design and pure Ruby classes
Last synced: 15 Aug 2026 - Ranking: 34.0
https://github.com/deivid-rodriguez/byebug
Debugging in Ruby
Last synced: 15 Aug 2026 - Ranking: 34.3
https://github.com/ruby/psych
A libyaml wrapper for Ruby
c hacktoberfest java libyaml psych ruby yaml-parser
Last synced: 15 Aug 2026 - Ranking: 34.4
https://github.com/asciidoctor/asciidoctor
:gem: A fast, open source text processor and publishing toolchain, written in Ruby, for converting AsciiDoc content to HTML 5, DocBook 5, and other formats.
asciidoc asciidoctor converter docbook html manpage ruby rubygem
Last synced: 15 Aug 2026 - Ranking: 34.7
https://github.com/zendesk/ruby-kafka
A Ruby client library for Apache Kafka
deprecated kafka kafka-client ruby ruby-gem
Last synced: 15 Aug 2026 - Ranking: 31.8
https://github.com/paper-trail-gem/paper_trail
Track changes to your rails models
activerecord audit log rails ruby
Last synced: 15 Aug 2026 - Ranking: 34.1
https://github.com/RubyMoney/money
A Ruby Library for dealing with money and currency conversion.
Last synced: 15 Aug 2026 - Ranking: 33.2
https://github.com/ruby-ldap/ruby-net-ldap
Pure Ruby LDAP library
Last synced: 15 Aug 2026 - Ranking: 32.2
https://github.com/ohler55/oj
Optimized JSON
c json json-parser marshaller oj-gem rails ruby ruby-json-parser
Last synced: 15 Aug 2026 - Ranking: 35.1
https://github.com/rgrove/sanitize
Ruby HTML and CSS sanitizer.
Last synced: 15 Aug 2026 - Ranking: 32.7
https://github.com/prometheus/client_ruby
Prometheus instrumentation library for Ruby applications
middleware prometheus prometheus-client-library rack rack-middleware ruby ruby-client
Last synced: 15 Aug 2026 - Ranking: 31.9
https://github.com/rack/rack-test
Rack::Test is a small, simple testing API for Rack apps.
Last synced: 15 Aug 2026 - Ranking: 33.5
https://github.com/excon/excon
Usable, fast, simple HTTP 1.1 for Ruby
Last synced: 15 Aug 2026 - Ranking: 34.7
https://github.com/test-prof/test-prof
Ruby Tests Profiling Toolbox
hacktoberfest profiling rails rspec ruby testing
Last synced: 15 Aug 2026 - Ranking: 33.0
https://github.com/rails-api/active_model_serializers
ActiveModel::Serializer implementation and Rails hooks
Last synced: 15 Aug 2026 - Ranking: 33.7
https://github.com/sidekiq-cron/sidekiq-cron
Scheduler / Cron for Sidekiq jobs
cron-jobs ruby ruby-gem ruby-on-rails scheduled-jobs scheduler sidekiq sidekiq-cron sidekiq-jobs sidekiq-workers
Last synced: 15 Aug 2026 - Ranking: -Infinity
https://github.com/bugsnag/bugsnag-ruby
BugSnag error monitoring & reporting software for rails, sinatra, rack and ruby
bug-tracking-tool bugs bugsnag crash debug debugging-tool error-handling error-monitoring error-reporting errors exception-reporting exceptions notifications notifier platforms rack rails ruby sinatra unhandled-exceptions
Last synced: 15 Aug 2026 - Ranking: 29.6
https://github.com/ruby-grape/grape-entity
An API focused facade that sits on top of an object model.
Last synced: 15 Aug 2026 - Ranking: 32.0
https://github.com/hashie/hashie
Hashie is a collection of classes and mixins that make Ruby hashes more powerful.
hacktoberfest hash-extensions ruby
Last synced: 15 Aug 2026 - Ranking: 34.7
https://github.com/sourcelevel/faraday-http-cache
A Faraday middleware that respects HTTP cache
cache faraday http middleware ruby
Last synced: 15 Aug 2026 - Ranking: -Infinity
https://github.com/rubocop/rubocop-capybara
Code style checking for Capybara files.
capybara lint rubocop ruby static-analysis testing
Last synced: 15 Aug 2026 - Ranking: 30.4
https://github.com/lautis/uglifier
Ruby wrapper for UglifyJS JavaScript compressor.
javascript minify ruby uglifyjs
Last synced: 15 Aug 2026 - Ranking: 31.3
https://github.com/datawraith/ascii85gem
A simple gem that provides methods for encoding/decoding Adobe’s binary-to-text encoding of the same name.
Last synced: 15 Aug 2026 - Ranking: 25.2
https://github.com/mislav/will_paginate
Pagination library for Rails and other Ruby applications
pagination pagination-library plugin rails ruby sequel sinatra
Last synced: 15 Aug 2026 - Ranking: 32.4
https://github.com/whomwah/rqrcode
A Ruby library that encodes QR Codes
Last synced: 15 Aug 2026 - Ranking: 32.5
https://github.com/activeadmin/arbre
An Object Oriented DOM Tree in Ruby
Last synced: 15 Aug 2026 - Ranking: 29.0
https://github.com/rubocop/rubocop-performance
An extension of RuboCop focused on code performance checks.
code-formatter hacktoberfest linter rubocop ruby static-code-analysis
Last synced: 15 Aug 2026 - Ranking: 32.5
https://github.com/cucumber/cucumber-ruby
Cucumber for Ruby. It's amazing!
cucumber polyglot-release ruby tidelift
Last synced: 15 Aug 2026 - Ranking: 34.3
https://github.com/fazibear/colorize
Ruby string class extension. It add some methods to set color, background color and text effect on console easier using ANSI escape sequences.
ansi-escape-sequences gem ruby
Last synced: 15 Aug 2026 - Ranking: 30.0
https://github.com/cucumber/cucumber-ruby-core
Core library for the Ruby flavour of Cucumber
cucumber polyglot-release ruby
Last synced: 15 Aug 2026 - Ranking: 27.2
https://github.com/dry-rb/dry-types
Flexible type system for Ruby with coercions and constraints
coercion constraints dry-rb ruby types
Last synced: 15 Aug 2026 - Ranking: 32.4
https://github.com/elastic/elasticsearch-rails
Elasticsearch integrations for ActiveModel/Record and Ruby on Rails
activemodel activerecord elastic elasticsearch rails ruby ruby-on-rails
Last synced: 15 Aug 2026 - Ranking: 33.5
https://github.com/dry-rb/dry-configurable
A simple mixin to make Ruby classes configurable
configuration dry-rb library ruby rubygem settings
Last synced: 15 Aug 2026 - Ranking: 30.9